BMW 5251 Service Manual page 249

117-13
Camshaft Timing chain1
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Install seal removing tool (BMW special tool 11 2 380) and
screw in body of puller until it makes firm contact with seal.
Tighten center screw in end of tool to draw out seal.
4
Coat new seal with oil, and use BMW special tool 11 1 220
and crankshaft center bolt to draw seal in flush with timing
case cover.
-
Install damper hub and tighten new center bolt finger tight
4
Install angle gauge BMW special tool 11 3 460 as shown.